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Head-to-head · CAPTCHA Software

Cloudflare Turnstile vs Alibaba Cloud CAPTCHA

  • Updated Oct 2026
  • Both researched from official sources
  • 4 checks side by side
Higher score Cloudflare Turnstile #1 in CAPTCHA Software 9.4/10 Free plan Free plan✓ 2 of 3 features Visit Cloudflare
Alibaba Cloud CAPTCHA #3 in CAPTCHA Software 9.0/10 Paid ✓ 0 of 3 features Visit Alibaba Cloud

Cloudflare Turnstile leads on 1 check, Alibaba Cloud CAPTCHA on 0, and 3 are even. Who comes out ahead on the 4 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreCloudflare Turnstile · 9.4/10
  • Free planonly Cloudflare Turnstile
  • Most featuresCloudflare Turnstile · 2 of 3

Cloudflare Turnstile scores higher on our rubric for captcha software: 9.4 against 9.0 out of 10; our editors rank them #1 and #3.

Cloudflare Turnstile offers free plan; Alibaba Cloud CAPTCHA doesn't.

Cloudflare Turnstile is the better fit for teams wanting a free, low-friction web CAPTCHA. Alibaba Cloud CAPTCHA is the better fit for businesses needing configurable, high-volume CAPTCHA.

  • Cloudflare Turnstile fits best

    Teams wanting a free, low-friction web CAPTCHA

  • Alibaba Cloud CAPTCHA fits best

    Businesses needing configurable, high-volume CAPTCHA

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature Cloudflare Turnstile 9.4/10 Visit ↗ Alibaba Cloud CAPTCHA 9.0/10 Visit ↗
At a glance
Editor score 9.4 9.0
Ranking #1 in CAPTCHA Software #3 in CAPTCHA Software
Best for Teams wanting a free, low-friction web CAPTCHA Businesses needing configurable, high-volume CAPTCHA
Pricing model Free plan + paid Paid
Starting price — $0.0007/unit usage-based
Free plan ✓ (best) —
Free trial — —
Deployment Cloud Cloud
Platforms Web Web, iOS, Android
Support Community, Docs Live chat, Tickets, Docs
Built for Solo, Small business, Mid-market, Enterprise Mid-market, Enterprise
Features Cloudflare Turnstile 2/3 · Alibaba Cloud CAPTCHA 0/3
Audio challenge — Not checked yet
Accessibility options ✓ (best) Not checked yet
Privacy controls ✓ (best) Not checked yet
Specs
CAPTCHA modes Not checked yet Not checked yet
Monthly verifications Not checked yet Not checked yet
SDK platforms Both Both
Our review
Pros
  • Free plan includes up to 20 widgets and unlimited challenges
  • Managed mode can require a checkbox based on risk signals
  • Siteverify API validates tokens server-side
  • Combines invisible risk checks with four visual challenge types
  • Supports web, H5, Android, iOS and WeChat Mini Programs
  • Offers policy controls and default support for up to 1,000 QPS
Cons
  • Free plan support is community-based
  • Enterprise pricing is custom
  • No audio challenge option
  • Usage-based verification costs differ by region
  • Custom policy configurations cost $5 per day
  • Additional scenarios cost $1 per scenario per day after the first three
Our verdict

Cloudflare Turnstile is a CAPTCHA alternative for websites and applications that need to distinguish human visitors from automated traffic. It fits teams seeking verification that can avoid interrupting visitors, from solo projects through…

Read the review →

Alibaba Cloud CAPTCHA is a managed verification service for websites, H5 pages, mobile apps and WeChat Mini Programs. It is aimed at mid-market and enterprise businesses protecting account registration and login, preventing SMS floods,…

Read the review →
  1. Cloudflare TurnstileCAPTCHA Software 9.4Free plan
  2. Alibaba Cloud CAPTCHACAPTCHA Software 9.0Paid

Strengths and trade-offs

  • Cloudflare Turnstile — where it wins

    • Free plan includes up to 20 widgets and unlimited challenges
    • Managed mode can require a checkbox based on risk signals
    • Siteverify API validates tokens server-side

    Where it doesn't

    • Free plan support is community-based
    • Enterprise pricing is custom
    • No audio challenge option

  • Alibaba Cloud CAPTCHA — where it wins

    • Combines invisible risk checks with four visual challenge types
    • Supports web, H5, Android, iOS and WeChat Mini Programs
    • Offers policy controls and default support for up to 1,000 QPS

    Where it doesn't

    • Usage-based verification costs differ by region
    • Custom policy configurations cost $5 per day
    • Additional scenarios cost $1 per scenario per day after the first three

More comparisons

All CAPTCHA software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update